diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index 999f80a63bffab43abf57c5daf5bd1a2b952d797..e70783e33680f1ec2ffa6b2bf46b266093907e57 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM hyperv